San Antonio (the Spanish name of Saint Anthony) is a common toponym in parts of the world where the Spanish language is or was spoken:

• Argentina
  • San Antonio , Jujuy province
• Belize
  • San Antonio, Cayo District
• Chile
  • San Antonio
• Mexico
  • San Antonio, San Luis Potosí
• Philippines
  • San Antonio, Quezon
  • San Antonio, Zambales
• Peru
  • San Antonio , Lima Provincias region
• Spain
  • San Antonio, Ibiza
• United States
  • San Antonio, Florida
  • San Antonio, New Mexico
  • San Antonio, Texas

Compound names with San Antonio:

• Argentina
  • San Antonio de Areco , Buenos Aires province
  • San Antonio Oeste , Río Negro province
  • San Antonio de los Cobres , Salta province
• Cuba
  • San Antonio de los Baños , La Habana province
  • San Antonio del Sur , Guantánamo province
• Guatemala
  • San Antonio Ilotenango , El Quiché department
  • San Antonio Sacatepéquez , San Marcos department
  • San Antonio Suchitepequez , Suchitepequez department
• Honduras
  • San Antonio de Cortés , Cortés department
• Mexico
  • San Antonio Acutla , Oaxaca
  • San Antonio de la Cal , Oaxaca
  • San Antonio Huitepec , Oaxaca
  • San Antonio Cañada , Puebla